MU9C4320L-12DC データシートの表示（PDF） - Music Semiconductors
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MU9C4320L-12DC Datasheet PDF : 32 Pages
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Control State Overview
MU9C4320L ATMCAM
CONTROL STATE OVERVIEW
Table 1: Control State Overview
Write/Read Memory
A11–0 [/AV = LOW]
xxx nnn 000 000
xxx nnn 100 110
xxx nnn 100 111
xxx nnn 000 001
xxx nnn 000 010
Write/Read Register
xxx nnn 000 100
xxx xxx 000 011
xxx nnn 000 110
xxx nnn 001 000
xxx xxx 000 111
xxx nnn 000 101
xxx nnn 001 001
Data Move
xxx nnn 001 100
xxx nnn 001 101
xxx nnn 001 110
Comparison
xxx nnn 011 000
xxx nnn 011 001
xxx nnn 011 010
xxx xxx 011 011
Set Validity
xxx xxx 100 000
xxx xxx 100 001
xxx xxx 100 010
xxx xxx 100 011
Address Register Control
xxx xxx 100 100
xxx xxx 100 101
VP Table Control
xxx xxx 101 000
xxx xxx 101 001
Initialization
xxx xxx 111 100
xxx xxx 111 101
xxx xxx 111 111
/W = LOW
WR aaa
WR [AR] {MRnnn}
WR [AR]+ {MRnnn}
WR [AR]- {MRnnn}
WR [NFA] {MRnnn}
WR [HPM] {MRnnn}
WR AR {MRnnn}
NOP
WR FR {MRnnn}
WR DS {MRnnn}
RESERVED
WR CR {MRnnn}
WR MRnnn
MOV [AR],CR {MRnnn}
MOV [NFA],CR {MRnnn}
MOV [HPM],CR {MRnnn}
CMP CR {MRnnn}
CMP DQ {MRnnn}
CMPW DQ {MRnnn}
INC MA
SET V@[AR]
RST V@[AR]
RST V@[HPM]
RST V@AML
Inc AR
Dec AR
SET VP@[AR]
RST VP@[AR]
WR PA
RST FF
RST
PA:AA Scope /W = HIGH
PA:AA Scope
aaa
aaa
aaa
aaa
NFA
HPMA
AS
AS
AS
AS
NFD
HPD
RD aaa
RD [AR]
RD [AR]+
RD [AR]-
RD [HPM]; INC MA
RD [HPM]
aaa
aaa
aaa
aaa
HPMA
HPMA
S
S
S
S
HPD
HPD
n/c
AS
RD AR
n/c
n/a
RD NFA
n/c
AS
RD FR
n/c
AS
RD DS
n/c
n/a
RD SR
n/c
AS
RD CR
n/c
AS
RD MRnnn
n/c
S
n/c
NFD
n/c
S
n/c
S
n/c
HPD/S
n/c
S
n/c
S
aaa
NFA
HPMA
AS
NFD
HPD
MOV CR,[AR] {MRnnn}
RESERVED
MOV CR,[HPM] {MRnnn}
aaa
n/c
HPMA
AS
n/a
HPD
HPMA
HPMA
HPMA
HPMA
AS
AS
AS
HPD
RESERVED
RESERVED
RESERVED
RESERVED
n/c
n/a
n/c
n/a
n/c
n/a
n/c
n/a
aaa
aaa
HPMA
HPMA
AS
AS
HPD
AS
RD V@[AR]
RESERVED
RESERVED
RESERVED
aaa
S
n/c
n/a
n/c
n/a
n/c
n/a
n/c
AS
RESERVED
n/c
AS
RESERVED
n/c
n/a
n/c
n/a
aaa
AS
RD VP@[AR]
aaa
AS
RESERVED
aaa
S
n/c
n/a
n/c
n/c
All 1s
NFD
AS
AS
RESERVED
RESERVED
RESERVED
n/c
n/a
n/c
n/a
n/c
n/a
Key: aaa = Random access address
n/a = Not applicable
All 1s = All PA:AA outputs HIGH
n/c = No change
AS = All selected devices
NFA = Next Free address
HPD = Highest-Priority device
NFD = Highest-Priority device with a Free location
HPMA = Highest-Priority Match address
S = Selected device
The ‘Scope’ of a control state describes which devices respond in a multi-CAM system.
The ‘PA:AA’ field describes what is output on the PA3–0:AA11–0 bus as a result of the control state.
/AV is HIGH unless otherwise noted.
Rev. 3
19
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